Valve Stem Oil Seal - Isuzu A-4JA1 Workshop Manual

Important Operations

3. Valve Stem Oil Seal

1) Apply a coat engine oil to the oil seal inner face.
2) Use an oil seal installer to install the oil seal to
the valve guide.
Oil Seal Installer: 5-8840-2033-0
4. Intake and Exhaust Valve
1) Apply a coat of engine oil to valve stem.
2) Install the intake and exhaust valves.
3) Turn the cylinder head up to install the valve
springs.
Take care not to allow the installed valves to fall
free.
5. Valve Spring
1) Turn the cylinder head up to install the valve
springs.
2) Install the valve springs with the fine pitched
end (painted pink) facing down.
Take care not to allow the installed valves to fall
free.
7. Split Collar
1) Use the spring compressor to push the valve
spring into position.
Spring Compressor: 9-8523-1423-0
2) Install the split collar to the valve stem.
3) Set the split collar by tapping around the bead
of the collar with a rubber hammer.
ENGINE ASSEMBLY ( 3 )
85